2100 Lake Park Blvd.
Richardson, TX 75080
P.O. Box 799900
Dallas, TX 75379-9900
New Customers – 1.877.726.0024
National Accounts – 1.800.367.6285
Commercial Parts/Tech Support – 1.800.4.LENNOX (1.800.453.6669)
U.S. and Canada Sales
International Sales
Education Sales
Manufacturer's Representatives
Application Support
Government Sales
National Account Services
